| 摘要 |
PURPOSE:To readily obtain a 3-phase operation by one magnetoelectric transducer by employing as sections for detecting the positions of a rotor three types of N-pole, S-pole and mo magnetic flux. CONSTITUTION:Cutouts or nonmagnetized portions are formed at the peripheral edge of a rotor 15, and the poles of a rotor position to be detected by a magne toelectric transducer 31 are disposed at an equal interval in the sequence of N-pole, S-pole and zero. A two-output element is used as the element 31, and the two outputs of the element 31 are set to 3 stages of N, S and zero. An armature current is conducted by the high output level of this output and by a logic operation. |
